As @Sarah977 said, you should make your place as bulletproof as possible. Washable wall paint, glass top/metal legs nightstands and tables, waterproof mattress covers, easy to clean carpets and sofas, nice but cheap decorations etc...
Of course, it happens, especially to off-site hosts. We didn't have really expensive damages (knock on wood) but with same-day turnovers, dealing with damages was always very very stressful. We didn't always have time to repair or replace it before our new guests arrived.